/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package cn.net.greenet.device.td.servlet;

import cn.net.greenet.device.td.TdLogService;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import net.sf.json.JSONArray;

/**
 * Td设备日志查询
 *
 * @author ShiYun,2014/12/19
 */
@WebServlet(name = "TdLogQuery", urlPatterns = {"/TdLogQuery"})
public class TdLogQuery extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        String ip = request.getParameter("local_ip");
        String user = request.getParameter("local_user");
        if (ip.equals("")) {
            ip = null;
        }
        if (user.equals("")) {
            user = null;
        }
        System.out.println("ip:" + ip + " " + (ip == null) + ", user:" + user + " " + (user == null));
        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
            TdLogService tds = new TdLogService();
            JSONArray arr = null;
            if (ip == null && user == null) {
                arr = tds.queryAll();
            } else if (ip == null) {
                arr = tds.queryBYUSER(user);
            } else if (user == null) {
                arr = tds.queryBYTP(ip);
            } else {
                arr = tds.searchTdLog(ip, user);
            }
            out.println(arr);
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
